Home / 403,775,383.46-557,396,032.65-236,488,429.22

Finding the Fourth Proportional to 403,775,383.46, 557,396,032.65 and 236,488,429.22

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Solution

The fourth proportional to 403,775,383.46, 557,396,032.65 and 236,488,429.22 is: 326,462,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775,383.46 : 557,396,032.65 = 236,488,429.22 : x
  2. Step 2: Convert to fraction form
    403,775,383.46/557,396,032.65 = 236,488,429.22/x
  3. Step 3: Cross multiply
    403,775,383.46x = 557,396,032.65 × 236,488,429.22
  4. Step 4: Simplify right side
    403,775,383.46x = 131,817,712,214,858,320
  5. Step 5: Solve for x
    x = 131,817,712,214,858,320/403,775,383.46
  6. Step 6: Final answer
    x = 326,462,973.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.